Design of the hybrid energy storage system power conversion unit circuit topology, the energy storage system of the compound of the working principle and developed a digital control strategy.

设计了复合储能系统功率变换单元电路拓扑，阐述了该复合储能系统的工作原理并制定了数字化控制策略。

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A useful unit converter can help you make the daily calculation, including conversion of area, density, energy, force, length, mass, power, pressure, speed, temperature and volume.

一个有用的单位转换器可以帮助您日常计算，包括面积，密度，能源，力，长度，质量，功率，压力，速度，温度和体积的转换。

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A remodeling design of circulating pump of 600 MW power unit is introduced which adopts different conversion factors for the impeller and guide blade according to the same model pump.

介绍了600 MW火电机组用大型立式循环水泵的一种改型设计方法，即针对同一模型，叶轮与导叶体采用不同的换算系数进行设计。

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